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Abstract:

Attini are the only ants that use fresh plant material to cultivate species of Leucoagaricus, which are their source of nutrition. Escovopsis species are specialized mycoparasites of Leucoagaricus sp. and Escovopsis parasitism has a negative impact on the health of the ants' colonies. The goals of this work were: to test if the virulence of different isolates of Escovopsis weberi were the same across Leucoagaricus sp. and to analyze if structural mechanisms were related to variation in the virulence of E. weberi isolates. All E. weberi isolates were able to parasitize isolates of Leucoagaricus spp. but with striking differences in virulence, and it was shown that the contact between hyphae of both fungi was the main process that generates the degradation of Leucoagaricus isolates. Additionally, the two most virulent isolates produced hook-like protuberances, increasing the damage caused to its target. Finally, E. weberi was re-classified as a destructive biotrophic parasite. © 2015 Elsevier Ltd and The British Mycological Society.

Registro:

Documento: Artículo
Título:Pathogenic interaction between Escovopsis weberi and Leucoagaricus sp.: Mechanisms involved and virulence levels
Autor:Marfetán, J.A.; Romero, A.I.; Folgarait, P.J.
Filiación:Laboratorio de Hormigas, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Roque Saenz Peña 352, Bernal, Buenos Aires, B1876BXD, Argentina
PROPLAME-PRHIDEB-CONICET, Departamento de Biodiversidad, Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón II, Ciudad Universitaria, Capital Federal, 1428, Argentina
Palabras clave:Ascomycota; Hooks; Leaf-cutters ants; Mycoparasitism; Pathogenic interaction; Traps
Año:2015
Volumen:17
Página de inicio:52
Página de fin:61
DOI: http://dx.doi.org/10.1016/j.funeco.2015.04.002
Título revista:Fungal Ecology
Título revista abreviado:Fungal Ecol.
ISSN:17545048
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17545048_v17_n_p52_Marfetan

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Citas:

---------- APA ----------
Marfetán, J.A., Romero, A.I. & Folgarait, P.J. (2015) . Pathogenic interaction between Escovopsis weberi and Leucoagaricus sp.: Mechanisms involved and virulence levels. Fungal Ecology, 17, 52-61.
http://dx.doi.org/10.1016/j.funeco.2015.04.002
---------- CHICAGO ----------
Marfetán, J.A., Romero, A.I., Folgarait, P.J. "Pathogenic interaction between Escovopsis weberi and Leucoagaricus sp.: Mechanisms involved and virulence levels" . Fungal Ecology 17 (2015) : 52-61.
http://dx.doi.org/10.1016/j.funeco.2015.04.002
---------- MLA ----------
Marfetán, J.A., Romero, A.I., Folgarait, P.J. "Pathogenic interaction between Escovopsis weberi and Leucoagaricus sp.: Mechanisms involved and virulence levels" . Fungal Ecology, vol. 17, 2015, pp. 52-61.
http://dx.doi.org/10.1016/j.funeco.2015.04.002
---------- VANCOUVER ----------
Marfetán, J.A., Romero, A.I., Folgarait, P.J. Pathogenic interaction between Escovopsis weberi and Leucoagaricus sp.: Mechanisms involved and virulence levels. Fungal Ecol. 2015;17:52-61.
http://dx.doi.org/10.1016/j.funeco.2015.04.002